Reliability: Ambient Conditions
Tip 41: Changing breath room ambient conditions can reduce "system calibration check" and "system blank test" reliability. Any...
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Stephen Biss
Nov 17, 20223 min read
Study the Block Diagram in the Wet-Bath Simulator Manufacturer's Manual
Tip 25: Obtain a copy of the Guth Laboratories, Inc. wet-bath "Model 2100 Simulator Operation Manual" and study the "Model 2100-Block...
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Stephen Biss
Nov 10, 20222 min read
Calibration Check on Periodic Inspection of Wet-bath Simulator
Tip 27: Does the Inspector use a traceable reference thermometer, that is accurate and precise, to at least two decimal places, to...
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Stephen Biss
Nov 3, 20223 min read
Continuity of Alcohol Standard: CalGuard Feature
Tip 40: Some police services take the position that they don't need to use seals between the simulator housing and the jar. Failure to...
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Stephen Biss
Oct 26, 20222 min read
Continuity: Write on Empty Bottle
Tip 35: The simplest method of communicating the last change date of the alcohol standard solution placed into the wet-bath simulator is...
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Stephen Biss
Oct 15, 20224 min read
Continuity: From the Box
Tip 37: Defence lawyers need to study the video - does the qualified technician take a random (unrelated to the matter before the Court)...
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Stephen Biss
Oct 6, 20221 min read
Certificate of Calibration of a NIST mercury thermometer
Tip 14: Whenever police purchase a new NIST mercury thermometer, the Canadian distributor provides them with a "Guth Laboratories, Inc....
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Stephen Biss
Oct 3, 20222 min read
Continuity: Use of a Seal
Tip 38: One of the best ways to control wet-bath simulator alcohol standard continuity is to use alphanumeric police seals and record...
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Stephen Biss
Sep 30, 20221 min read
Continuity: Whiteboard or blackboard method
Tip 36: Some police detachments have been known to write the manufacturer name, lot number, name/badge of solution change officer,...
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Stephen Biss
Sep 16, 20222 min read
Appendix E: Location & Anecdotal Notes in Log
Tip 30: The CFS 8000C Training Aid of 2013 at page 191 of 238, Appendix "E" recommends that the Alcohol Standard Log, updated by the...
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Stephen Biss
Sep 2, 20222 min read
Reliability: Cal Checks in the Context of Earlier & Later Ambient Fails
Tip 47: A calibration check using a wet-bath simulator containing alcohol standard is not reliable if information is missing about air...
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Stephen Biss
Aug 31, 20222 min read
Reliability: Disabling Ambient Fail Exception, Making Alcohol Disappear
Tip 45: Study the breath room video and learn everything you can about the breath room and detachment. Watch for: Has the qualified...
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Stephen Biss
Aug 28, 20225 min read
Reliability: Air Blanks "System Blank Test"
Tip 43: A properly functioning approved instrument air blank system (including the instrument itself, the ambient environment around the...
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Stephen Biss
Aug 18, 20222 min read
Ambient Interferents Compromise Reliability of Control Tests
Tip 48: The reliability of control tests using the alcohol standard in a wet-bath #duisimulator may be compromised by the presence in the...
15 views0 comments
Stephen Biss
Jul 15, 20222 min read
Continuity: Outgoing = Incoming Seal Numbers
Tip 39: The key to usefulness of alphanumeric seals on a #duisimulator is whether or not the incoming seal number on the subsequent...
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Stephen Biss
Jun 24, 20221 min read
Are police officers tempted to record 34.00 without actually checking the simulator thermometer?
Tip 21: A CFS scientist has acknowledged police sometimes are tempted to record 34.0. Evidence of a CFS scientist, Dr. L, April 10, 2013,...
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Stephen Biss
May 28, 20224 min read
Continuity of the Alcohol Standard
Tip 34: The use of an alcohol standard during evidentiary breath testing in Canada was not mentioned in the Criminal Code as a condition...
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Stephen Biss
May 6, 20222 min read
Location is Everything
Tip 31: Location is everything when it comes to a #duisimulator in Ontario. The CFS Training Aid recommends that the alcohol standard be...
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Stephen Biss
Apr 30, 20223 min read
Know the Simulator Probes
Tip 24: Knowledge of #duisimulator probes assists understanding of function & malfunction of thermistor, heater, and thermometer(s). Many...
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Stephen Biss
Apr 19, 20221 min read
Chips & Cracks in the Simulator Jar
Tip 28: Make inquiries about chips or cracks in the simulator jar. Use a FOI application, Stinchcombe, O'Connor, or cross-examine to make...
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